kwin/plugins/platforms/wayland/scene_qpainter_wayland_backend.h

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2013, 2015 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_SCENE_QPAINTER_WAYLAND_BACKEND_H
#define KWIN_SCENE_QPAINTER_WAYLAND_BACKEND_H
#include "scene_qpainter.h"
#include <QObject>
namespace KWayland
{
namespace Client
{
class Buffer;
}
}
namespace KWin
{
namespace Wayland
{
class WaylandBackend;
}
class WaylandQPainterBackend : public QObject, public QPainterBackend
{
Q_OBJECT
public:
explicit WaylandQPainterBackend(Wayland::WaylandBackend *b);
virtual ~WaylandQPainterBackend();
virtual void present(int mask, const QRegion& damage) override;
virtual bool usesOverlayWindow() const override;
virtual void screenGeometryChanged(const QSize &size) override;
virtual QImage *buffer() override;
virtual void prepareRenderingFrame() override;
virtual bool needsFullRepaint() const override;
private Q_SLOTS:
void remapBuffer();
private:
Wayland::WaylandBackend *m_backend;
bool m_needsFullRepaint;
QImage m_backBuffer;
QWeakPointer<KWayland::Client::Buffer> m_buffer;
};
}
#endif